Home

Which of the following is true for network structure?

A. It is a physical representation of the data.

B. It allows many to many relationship.

C. It is conceptually simple.

D. It will be the dominant database of the future.

You can do it
  1. The language that requires a user to specify the data to be retrieved without specifying exactly how…
  2. The division operator divides a dividend A of degree m+n by a divisor relation B of degree n and produces…
  3. Given the following relation S(SNO,SNAME,CITY) write a query to update the value of CITY to KANPUR for…
  4. What is data integrity?
  5. The middleware databases in which the business rules act are applicable to _______ tier architectures
  6. operator is used to compare a value to a list of literals values that have been specified.
  7. For using a specific database …………… command is used.
  8. In an ER model,_____ is described in the database by storing its data.
  9. Use of UNIQUE while defining an attribute of a table in SQL means that the attribute values are
  10. Which of the following is not a consequence of concurrent operations?
  11. DROP is a statement in SQL.
  12. The full form of GUI is _________
  13. The fact that all employees of a particular organization should not have salaries more than $10000 is…
  14. The size of a data item is called its _______, which can be a field of some record or may be a larger…
  15. Which of the following statement on the view concept in SQL is invalid?
  16. The ____ operator joins two or more conditions and displays rows only if that rows data satisfies all…
  17. In multiple granularity of locks SIX lock is compatible with
  18. Which of the following relational algebraic operations is not from set theory?
  19. ______contains information that defines valid values that are stored in a column or data type.
  20. Which one is correct statement?Logical data independence provides following without changing application…
  21. The _______ is a set of programs to use and / or modify this data.
  22. Which of the following aggregate functions does not ignore nulls in its results?.
  23. The clause in SQL that specifies that the query result should be sorted in ascending or descending order…
  24. Wait-for graph is used for
  25. The cost of reading and writing temporary files while evaluating a query can be reduced by
  26. Relations produced from an E-R model will always be
  27. The collection of information stored in a database at a particular moment is called as ......
  28. The _____ category includes storage media that can be operated on directly by the computers central…
  29. The fact that information in the data warehouse changes far less often and may be regarded as non-real-time…
  30. A DBMS is a ____ user if at most one user can use the system and is mostly restricted to personal computer…